Our expert says:
According to the USA National Academy of Sciences, girls between the ages of 11 and 14 should weigh about 46 kg and be about 1.57 m tall. There are however, many factors that play a role in the weight of children and if in doubt, take her to a clinical dietitian (phone (012) 998-5650 (mornings) for the name of your nearest dietitian) so that she can be assessed.
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